Last Light at Saint Mercy
Defend Saint Mercy through five haunted hours with wards, light, and careful planning.
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Game briefing
Last Light at Saint Mercy is a browser horror defense game set during a night at Saint Mercy. Place and rotate protective wards, use the flashlight to inspect the dark, and survive escalating hourly threats. The game includes staged loading for later hours, voice-over thoughts, atmospheric music, and construction effects.
Documented features
- Place and rotate protective wards around the chapel
- Use a flashlight while exploring and defending
- Survive escalating hourly enemy waves
- Manage ward construction with distinct visual effects
- Load later-hour content progressively in the background
How to play
Survive five haunted hours by placing wards, managing supplies, and using the flashlight against escalating threats until dawn.
Your first few minutes
- Inspect dark approaches with the flashlight; use the first hour to learn routes and conserve repair supplies.
- Select a ward, aim its preview over an enemy route, rotate it, and place it. Its defense works during construction.
- Watch ward condition and danger alerts. Use the flashlight to inspect and burn nearby enemies; reserve UV lamps for reliable damage.
- After each hour, open the floor plan, repair or improve the best defense, and prepare for the next escalation.
Controls
- Mouse wheel while placing a salt line or UV lamp
- Rotate the placement ghost 45 degrees per notch; scrolling over an existing lamp or salt line rotates it too.
- Tab
- Open or close the floor plan.
Only source-confirmed mappings are listed. Check Help for other inputs; device mappings are unverified.
A little head start
- Placement mode holds the camera still; walking repositions you.
- The torch hurts enemies and freezes The Weeping, but UV lamps are stronger. Rebulbing a lamp costs 2 supplies.
- Use the calm after the survival bell to plan; a riser precedes the next wave.
Before you start
- Desktop or laptop browser running the Godot web build.
- Audio recommended for alerts and story.
About this edition: Unpublished catalog edition; link unverified. Peaceful pre-wave music is newer, unconfirmed source work.
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